The temperature on December 7, 1912 was between 3.7 °C and 6.1 °C and averaged 4.8 °C. There was 0.1 mm of rain. The average windspeed was 4 Bft (moderate breeze) and was prevailing from the south. Source: KNMI
February 14 » Arizona is admitted as the 48th and the last contiguous U.S. state.
February 29 » The Piedra Movediza (Moving Stone) of Tandil falls and breaks.
March 5 » Italo-Turkish War: Italian forces are the first to use airships for military purposes, employing them for reconnaissance behind Turkish lines.
April 16 » Harriet Quimby becomes the first woman to fly an airplane across the English Channel.
September 2 » Arthur Rose Eldred is awarded the first Eagle Scout award of the Boy Scouts of America.
December 6 » The Nefertiti Bust is discovered.
Day of marriage November 1, 1939
The temperature on November 1, 1939 was between -1.3 °C and 4.5 °C and averaged 2.2 °C. There was 3.8 mm of rain during 4.8 hours. There was 0.7 hours of sunshine (7%). The average windspeed was 3 Bft (moderate breeze) and was prevailing from the east. Source: KNMI
In The Netherlands , there was from June 24, 1937 to July 25, 1939 the cabinet Colijn IV, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from July 25, 1939 to August 10, 1939 the cabinet Colijn V, with Dr. H. Colijn (ARP) as prime minister.
In The Netherlands , there was from August 10, 1939 to September 3, 1940 the cabinet De Geer II, with Jonkheer mr. D.J. de Geer (CHU) as prime minister.
March 17 » Second Sino-Japanese War: Battle of Nanchang between the Kuomintang and Japan begins.
April 1 » Spanish Civil War: Generalísimo Francisco Franco of the Spanish State announces the end of the Spanish Civil War, when the last of the Republican forces surrender.
May 14 » Lina Medina becomes the youngest confirmed mother in medical history at the age of five.
July 4 » Lou Gehrig, recently diagnosed with Amyotrophic lateral sclerosis, informs a crowd at Yankee Stadium that he considers himself "The luckiest man on the face of the earth", then announces his retirement from major league baseball.
September 1 » General George C. Marshall becomes Chief of Staff of the United States Army.
September 21 » Romanian Prime Minister Armand Călinescu is assassinated by the Iron Guard.
When copying data from this family tree, please include a reference to the origin: Jan Kaper, "Family tree Kaper", database, Genealogy Online (https://www.genealogieonline.nl/stamboom-kaper/I33372.php : accessed February 16, 2026), "Albertus Valkenburg (1912-)".
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